body {
  background: #0f172a;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 700px;
  margin: 50px auto;
  background: #1e293b;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

input[type="text"] {
  width: 70%;
  padding: 10px;
  margin: 10px;
  border-radius: 6px;
  border: none;
}

button {
  padding: 10px 15px;
  border: none;
  border-radius: 6px;
  background: #38bdf8;
  color: black;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #0ea5e9;
}

.thumbnail {
  width: 100%;
  border-radius: 10px;
  margin: 10px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 10px;
  border-bottom: 1px solid #475569;
}

a.btn {
  background: #22c55e;
  padding: 8px 12px;
  border-radius: 6px;
  color: white;
  text-decoration: none;
}

a.btn:hover {
  background: #16a34a;
}

.hidden {
  display: none !important;
}

/* Loader styling */
.loader {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.spinner {
  border: 6px solid #475569;
  border-top: 6px solid #38bdf8;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
  margin-bottom: 10px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

#loader p {
  color: #cbd5e1;
  font-size: 14px;
}